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Description: Whisker Switches - Very sensitive lever switches. Great for detecting objects such as other sumo bots, walls, balls, etc. Simple to wire and attach to external 'bumper' bars.

Datasheet: Omron Snap Action Switch - D2F.Pdf

Comments 8 comments

  • i like these… very clicky

  • I have a ton of these from surplus already. Could someone post a (link to) picture or model of how these are “simple” to attach to a bumper bar type switch? I can’t figure out a way, except by attaching a whisker to the blade with globs of epoxy. I’d like to be able to reuse them when my designs gets recycled.

    As an alternative, I’ve though about surrounding my robot with large domed arcade switches - about the same price and easy to mount with a L-shaped bracket.

    TIA …

    • I usually use a solderless blade terminal to interface these with a bumper mechanism. You might have to squeeze the end a bit so it fits the switch arm snugly, but they work quite well. Different color connectors are different sizes, so make sure you get the one that fits your switch the best.

  • Hmmm. Seems rather expensive for such a simple switch…

    • Sensitive switches like these are somewhat expensive to produce due to their complexity.
      Open one up and you’ll see what I mean.

      • I popped one open, and it is surprising, there are (at least in a slightly bigger equivalent, though I would assume the smaller ones use basically the same mechanism) 4 separate moving parts and 2 stationary metal contact strips in complex shapes.

  • Never use one of these as a trigger for an Uzi. xP


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